I have no idea where the artist listing on this one came from, but I suspect the arranger names are misread.
Yoshiaki Kubodera =>
Yoshiaki Kubotera
Isamu Fujioka =>
Hiroshi Fujioka
Kou Mizoguchi =>
Isao Mizoguchi
These are/were all CUBE employees, along with Iwadare and Hayama.